[Radiance-general] Shinny objects that reflect their environment

[Bei Xiao]

Thank you. But doesn't the roughness parameter control the blurring of the
specular highlight of a surface? Why using it will preventing having any
mirror image?


On Wed, 18 Aug 2004, Georg Mischler wrote:

>_Bei Xiao wrote:
>_
>_> hi,
>_>   I want to render some shinny objects that reflect environment. For
>_> example, if I put a very shinny sphere on a checkerboard floor, in
>_> reality, we sholud be able to see mirror images of the floor on the sphere.
>_> However, I was not be able to render this using plastic material and my
>_> current parameters in Radiance. I can only see the specular highlight but
>_> no image is relfected onto the sphere. Does anyone have any experience
>_> with it that could give me some hints.
>_
>_You will have to increase the specularity parameter of the
>_material to a value close to 1 for this to work, and avoid
>_using roughness.
>_
>_
>_-schorsch
>_
>_